631714728 has 16 divisors (see below), whose sum is σ = 1579286880. Its totient is φ = 210571568.

The previous prime is 631714697. The next prime is 631714753. The reversal of 631714728 is 827417136.

631714728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×631714728² = 798126995144227968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13160700 + ... + 13160747.

It is an arithmetic number, because the mean of its divisors is an integer number (98705430).

Almost surely, 2^631714728 is an apocalyptic number.

It is an amenable number.

631714728 is an abundant number, since it is smaller than the sum of its proper divisors (947572152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631714728 is a wasteful number, since it uses less digits than its factorization.

631714728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26321456 (or 26321452 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 631714728 is about 25133.9357841147. The cubic root of 631714728 is about 858.0389460753.

The spelling of 631714728 in words is "six hundred thirty-one million, seven hundred fourteen thousand, seven hundred twenty-eight".